/* Cerulean Cloud Consultings — shared design tokens + base styles.
   Imported by every product's HTML templates. Tailwind-friendly.
   Brand: PROMPT.md §8. */

:root {
  /* Brand */
  --cerulean: #007BA7;
  --sky: #7DD3FC;
  --navy: #0C2D48;

  /* Neutrals */
  --slate: #1E293B;
  --slate-2: #475569;
  --mist: #F1F5F9;
  --line: #E2E8F0;
  --white: #FFFFFF;

  /* Functional */
  --success: #16A34A;
  --warning: #D97706;
  --danger:  #DC2626;

  /* Type scale */
  --fs-h1: clamp(2rem, 4vw, 3rem);
  --fs-h2: clamp(1.5rem, 3vw, 2rem);
  --fs-h3: 1.25rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;

  /* Layout */
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-1: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .08);
  --shadow-2: 0 8px 24px rgba(15, 23, 42, .08);

  /* Role tokens — split from the raw brand palette so dark mode can retune
     ROLES (heading, accent, elevation) without touching brand colors.
     Light-mode values are identical to what the rules used before. */
  --heading: var(--navy);
  --accent: var(--cerulean);
  --accent-hover: var(--navy);
  --footer-line: transparent;
  --hero-glow-a: rgba(125, 211, 252, .35);
  --hero-glow-b: rgba(0, 123, 167, .18);
  --badge-blue-bg: #DBEAFE;   --badge-blue-fg: #1D4ED8;
  --badge-green-bg: #DCFCE7;  --badge-green-fg: #166534;
  --badge-amber-bg: #FEF3C7;  --badge-amber-fg: #B45309;
  --badge-red-bg: #FEE2E2;    --badge-red-fg: #B91C1C;
  --badge-violet-bg: #EDE9FE; --badge-violet-fg: #6D28D9;
  --chip: var(--mist);
  --line-input: var(--line);
  --focus-ring: var(--cerulean); /* was --sky: 1.7:1 on white — WCAG 1.4.11 fail */
  --logo-wordmark: #0A2540;      /* header lockup wordmark stroke (inlined SVG) */

  /* Motion */
  --ease: cubic-bezier(.4, 0, .2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Neutrals. The page (--mist) is the DARKEST layer; raised surfaces
       (--white) sit above it — invert that and cards read as holes. */
    --slate: #DBE4EE;
    --slate-2: #9FB1C5;
    --mist:  #0B1220;
    --line:  #253750;
    --white: #131F33;
    /* Roles. Never leave --navy on a dark background — it lands at 1.3:1.
       Every pair below is WCAG-checked: headings 14.6:1, body 12.9:1,
       muted 7.5:1, accent 7.7:1, badge fgs >= 7:1, hover+white 5.3:1. */
    --heading: #E9F2FA;
    --accent: #38BDF8;
    --accent-hover: #0A739C;
    --footer-line: #253750;
    --shadow-1: 0 1px 2px rgba(0, 0, 0, .5), 0 1px 3px rgba(0, 0, 0, .55);
    --shadow-2: 0 8px 24px rgba(0, 0, 0, .55);
    --hero-glow-a: rgba(125, 211, 252, .10);
    --hero-glow-b: rgba(0, 123, 167, .14);
    --badge-blue-bg: rgba(56, 189, 248, .16);  --badge-blue-fg: #7DD3FC;
    --badge-green-bg: rgba(34, 197, 94, .16);  --badge-green-fg: #86EFAC;
    --badge-amber-bg: rgba(245, 158, 11, .16); --badge-amber-fg: #FCD34D;
    --badge-red-bg: rgba(239, 68, 68, .14);    --badge-red-fg: #FCA5A5;
    --badge-violet-bg: rgba(139, 92, 246, .16);--badge-violet-fg: #C4B5FD;
    --chip: #1D2C44;
    --line-input: #52708F;
    --focus-ring: var(--sky);
    --logo-wordmark: #E9F2FA;
    /* Functional colors brighten too — #DC2626 lands at 3.4:1 on the surface. */
    --success: #4ADE80;
    --warning: #FBBF24;
    --danger: #F87171;
    color-scheme: dark;
  }
  ::placeholder { color: var(--slate-2); opacity: 1; }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--slate);
  background: var(--mist);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { color: var(--heading); margin: 0 0 .5em; line-height: 1.2; letter-spacing: -.01em; }
h1 { font-size: var(--fs-h1); font-weight: 700; }
h2 { font-size: var(--fs-h2); font-weight: 700; }
h3 { font-size: var(--fs-h3); font-weight: 600; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }

/* Layout */
.container { max-width: 1120px; margin-inline: auto; padding-inline: 24px; }
.container-narrow { max-width: 720px; margin-inline: auto; padding-inline: 24px; }

/* Header */
.cerulean-header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.cerulean-header .inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; max-width: 1120px; margin-inline: auto;
}
.cerulean-brand {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; color: var(--heading); letter-spacing: .02em;
}
.cerulean-brand svg { width: 28px; height: 28px; color: var(--cerulean); }
.cerulean-nav a { color: var(--slate); margin-left: 24px; font-weight: 500; }
.cerulean-nav a.active { color: var(--accent); }

/* Hero */
.hero {
  padding: 80px 24px 64px;
  background:
    radial-gradient(60% 50% at 80% 0%, var(--hero-glow-a) 0%, transparent 60%),
    radial-gradient(60% 50% at 0% 100%, var(--hero-glow-b) 0%, transparent 60%),
    linear-gradient(180deg, var(--white) 0%, var(--mist) 100%);
}
.hero h1 { max-width: 720px; }
.hero p.lead { color: var(--slate-2); font-size: 1.125rem; max-width: 640px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: var(--fs-body);
  border: 1px solid transparent; cursor: pointer;
  transition: transform .12s var(--ease), box-shadow .12s var(--ease), background .12s var(--ease);
}
.btn-primary {
  background: var(--cerulean); color: #fff; box-shadow: var(--shadow-1);
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary {
  background: var(--white); color: var(--accent); border-color: var(--accent);
}
.btn-secondary:hover { background: var(--cerulean); color: #fff; }
.btn-ghost {
  background: transparent; color: var(--slate);
}
.btn-ghost:hover { background: var(--chip); }
.btn:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* Cards */
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-1);
}
.card-hover { transition: transform .15s var(--ease), box-shadow .15s var(--ease); }
.card-hover:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }

/* Forms */
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--slate); font-size: var(--fs-small); }
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="tel"],
.form-row input[type="url"],
.form-row input[type="password"],
.form-row input[type="date"],
.form-row input[type="number"],
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 10px 12px;
  font-size: var(--fs-body);
  border: 1px solid var(--line-input);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--slate);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent);
}
.form-row .help { color: var(--slate-2); font-size: var(--fs-small); margin-top: 6px; }
.form-row .error { color: var(--danger); font-size: var(--fs-small); margin-top: 6px; }

/* File input dropzone */
.dropzone {
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  color: var(--slate-2);
  background: var(--white);
}
.dropzone:hover, .dropzone.dragover { border-color: var(--accent); color: var(--accent); }

/* Badges */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 2px 10px; border-radius: 999px;
  font-size: var(--fs-small); font-weight: 600;
  background: var(--chip); color: var(--slate);
}
.badge-blue   { background: var(--badge-blue-bg); color: var(--badge-blue-fg); }
.badge-green  { background: var(--badge-green-bg); color: var(--badge-green-fg); }
.badge-amber  { background: var(--badge-amber-bg); color: var(--badge-amber-fg); }
.badge-red    { background: var(--badge-red-bg); color: var(--badge-red-fg); }
.badge-violet { background: var(--badge-violet-bg); color: var(--badge-violet-fg); }

/* Tables */
.table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: var(--radius); overflow: hidden; }
.table th, .table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line); font-size: var(--fs-body); }
.table th { background: var(--mist); color: var(--slate); font-weight: 600; font-size: var(--fs-small); text-transform: uppercase; letter-spacing: .04em; }
.table tr:last-child td { border-bottom: none; }

/* Footer */
.cerulean-footer {
  box-shadow: inset 0 1px 0 var(--footer-line); background: var(--navy); color: #BFDBFE;
  padding: 40px 24px 24px; margin-top: 80px;
}
.cerulean-footer a { color: #BFDBFE; }
.cerulean-footer .inner { max-width: 1120px; margin-inline: auto; }
.cerulean-footer h4 { color: #fff; }

/* Utilities */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.stack-8  > * + * { margin-top: 8px; }
.stack-16 > * + * { margin-top: 16px; }
.stack-24 > * + * { margin-top: 24px; }
.center-text { text-align: center; }
.muted { color: var(--slate-2); }
.hidden { display: none; }

/* Responsive */
@media (max-width: 768px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .cerulean-nav a { margin-left: 12px; font-size: var(--fs-small); }
  .hero { padding: 48px 20px; }
  .table th, .table td { padding: 10px 12px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ── HR / admin (M2.3) ────────────────────────────────────────────────── */
.admin main { padding: 24px 0 64px; }
.flashes { margin: 16px auto; display: grid; gap: 8px; }
.flash { padding: 10px 14px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--white); box-shadow: var(--shadow-1); }
.flash-success { border-color: var(--success); }
.flash-error { border-color: var(--danger); }
.cerulean-nav .who { color: var(--slate-2); font-size: var(--fs-small); margin: 0 4px; }
.cerulean-nav .logout { display: inline; }
.filters button, .form-inline button, .note-form button, .btn-primary { background: var(--cerulean); color: #fff; border: 0; border-radius: var(--radius-sm); padding: 9px 16px; cursor: pointer; font: inherit; font-weight: 600; }
.cerulean-nav .logout button { background: transparent; color: var(--slate-2); border: 0; padding: 6px 10px; cursor: pointer; font: inherit; }
.auth { max-width: 380px; }
.card.form { display: grid; gap: 14px; background: var(--white); padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-1); }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: var(--fs-small); }
.form input, .form select, .form textarea,
.filters input, .filters select,
.form-inline input, .form-inline select { padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--white); color: var(--slate); font: inherit; }
.btn-primary { width: 100%; padding: 12px; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0; }
.filters input[type=search] { flex: 1 1 240px; }
.grid { width: 100%; border-collapse: collapse; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.grid th, .grid td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.grid th { background: var(--mist); font-size: var(--fs-small); color: var(--slate-2); }
.grid tr:last-child td { border-bottom: 0; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: var(--fs-small); font-weight: 600; background: var(--mist); border: 1px solid var(--line); }
.s-screening, .s-shortlisted, .s-interview, .s-offer { color: var(--cerulean); border-color: var(--sky); }
.s-hired { color: var(--success); border-color: var(--success); }
.s-rejected, .s-withdrawn { color: var(--danger); border-color: var(--danger); }
.muted { color: var(--slate-2); }
.detail .back { display: inline-block; margin-bottom: 8px; color: var(--cerulean); text-decoration: none; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin: 16px 0; }
@media (max-width: 720px) { .cols { grid-template-columns: 1fr; } }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; }
.kv dt { color: var(--slate-2); font-size: var(--fs-small); }
.kv dd { margin: 0; }
.files { list-style: none; padding: 0; display: grid; gap: 6px; }
.form-inline { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
.timeline, .notes { list-style: none; padding: 0; display: grid; gap: 10px; }
.timeline li, .notes li { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 12px; }
.cmt, .note-body { margin-top: 4px; }
.note-form { display: grid; gap: 10px; margin: 12px 0 20px; }
.note-form textarea { width: 100%; }
.note-form button { justify-self: start; }
.empty { padding: 40px; text-align: center; }